DE1546277A1 - Verfahren zur Bleichung von Pulpen - Google Patents

Verfahren zur Bleichung von Pulpen

Info

Publication number
DE1546277A1
DE1546277A1 DE19651546277 DE1546277A DE1546277A1 DE 1546277 A1 DE1546277 A1 DE 1546277A1 DE 19651546277 DE19651546277 DE 19651546277 DE 1546277 A DE1546277 A DE 1546277A DE 1546277 A1 DE1546277 A1 DE 1546277A1
Authority
DE
Germany
Prior art keywords
pulp
chlorine dioxide
whiteness
bleached
fabric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DE19651546277
Other languages
German (de)
English (en)
Inventor
Yorston Frederic Harrison
Norman Liebergott
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PULP PAPER RES INST
FPInnovations
Original Assignee
PULP PAPER RES INST
Pulp and Paper Research Institute of Canada
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PULP PAPER RES INST, Pulp and Paper Research Institute of Canada filed Critical PULP PAPER RES INST
Publication of DE1546277A1 publication Critical patent/DE1546277A1/de
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
DE19651546277 1964-08-07 1965-08-04 Verfahren zur Bleichung von Pulpen Pending DE1546277A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA908947 1964-08-07

Publications (1)

Publication Number Publication Date
DE1546277A1 true DE1546277A1 (de) 1970-02-26

Family

ID=4142055

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19651546277 Pending DE1546277A1 (de) 1964-08-07 1965-08-04 Verfahren zur Bleichung von Pulpen

Country Status (4)

Country Link
US (1) US3586599A (enExample)
DE (1) DE1546277A1 (enExample)
FI (1) FI43526B (enExample)
SE (1) SE314286B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0651832A4 (en) * 1991-08-23 1995-08-09 Olin Corp METHOD FOR GAS PHASE DELIGNIFICATION OF CELLULAR.

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA973661A (en) * 1972-09-29 1975-09-02 Pulp And Paper Research Institute Of Canada Press alkaline extraction of cellulosic pulp
US3907632A (en) * 1973-10-23 1975-09-23 Ppg Industries Inc Bleaching cellulosic pulps with gaseous chlorine at a pH of 7 to 10 in a multistage bleaching process
US4128454A (en) * 1977-12-07 1978-12-05 Ingersoll-Rand Co. System and method for gas phase pulp bleaching
US6153300A (en) 1994-04-18 2000-11-28 Ahlstrom Machinery, Inc. Bleaching cellulose pulp having cleanliness which varies significantly over time using at least two different bleaching stages and bleaching chemicals
CN105568659B (zh) * 2015-11-20 2019-08-09 北京鹏盛天纤科技有限公司 一种气相二氧化氯漂白絮状物的装置以及气相二氧化氯漂白絮状物的方法
CN105525463B (zh) * 2015-11-20 2019-02-22 北京鹏盛天纤科技有限公司 一种气相二氧化氯漂白废旧纺织品的装置以及气相二氧化氯漂白废旧纺织品的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0651832A4 (en) * 1991-08-23 1995-08-09 Olin Corp METHOD FOR GAS PHASE DELIGNIFICATION OF CELLULAR.

Also Published As

Publication number Publication date
US3586599A (en) 1971-06-22
SE314286B (enExample) 1969-09-01
FI43526B (enExample) 1970-12-31

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